rockbox/apps/gui/viewport.h
Nils Wallménius ee7f12644c Use unsigned constants to avoid adding another gcc-support routine and save a few bytes. This affects SH only.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19899 a1c6a512-1295-4272-9138-f99709370657
2009-02-01 14:23:17 +00:00

72 lines
2.9 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Jonathan Gordon
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "lcd.h"
#include "font.h"
#include "kernel.h"
#include "system.h"
#include "misc.h"
#include "screen_access.h"
/* return the number of text lines in the vp viewport */
int viewport_get_nb_lines(struct viewport *vp);
#define VP_ERROR 0
#define VP_DIMENSIONS 0x1
#define VP_COLORS 0x2
#define VP_SELECTIONCOLORS 0x4
/* load a viewport struct from a config string.
returns a combination of the above to say which were loaded ok from the string */
int viewport_load_config(const char *config, struct viewport *vp);
void viewport_set_defaults(struct viewport *vp, enum screen_type screen);
/* Used to specify which screens the statusbar (SB) should be displayed on.
*
* The parameter is a bit OR'ed combination of the following (screen is
* SCREEN_MAIN or SCREEN_REMOTE from screen_access.h):
*
* VP_SB_HIDE_ALL means "hide the SB on all screens"
* VP_SB_ONSCREEN(screen) means "display the SB on the given screen
* as specified by the SB setting for that screen"
* VP_SB_IGNORE_SETTING(screen) means "ignore the SB setting for that screen"
* VP_SB_ALLSCREENS means "VP_SB_ONSCREEN for all screens"
*
* In most cases, VP_SB_ALLSCREENS should be used which means display the SB
* as specified by the settings.
* For the WPS (and other possible exceptions) use VP_SB_IGNORE_SETTING() to
* FORCE the statusbar on for the given screen (i.e it will show regardless
* of the setting)
*
* Returns the status before the call. This value can be used to restore the
* SB "displaying rules".
*/
#define VP_SB_HIDE_ALL 0
#define VP_SB_ONSCREEN(screen) (1u<<screen)
#define VP_SB_IGNORE_SETTING(screen) (1u<<(4+screen))
#define VP_SB_ALLSCREENS (VP_SB_ONSCREEN(0)|VP_SB_ONSCREEN(1))
int viewportmanager_set_statusbar(int enabled);
/* callbacks for GUI_EVENT_* events */
void viewportmanager_draw_statusbars(void*data);
void viewportmanager_statusbar_changed(void* data);